[s-cars] Brake wear sensor question
Ivan Demkovitch
idemkovitch at hotmail.com
Mon May 30 22:46:15 EDT 2005
Ok. Used voltmeter to check - seems like I get something weak(0.1-0.2V) and
fluctuating at one of the pins.
It could be my ground (suspension bolt) not really good choice or it might
be broken wire.
Will continue tomorrow..
Do you have any pointers on where to look for this wire at firewall?
-----Original Message-----
From: Kent McLean [mailto:kentmclean at mindspring.com]
Sent: Monday, May 30, 2005 8:08 PM
To: Ivan Demkovitch
Cc: s-car-list at audifans.com
Subject: Re: [s-cars] Brake wear sensor question
Ivan Demkovitch wrote:
> Is there 2 front caliper sensors??
>
> Also, how do I know which pins? There is 3 wholes in connector. By
> just "looking" I seen copper in 2 of them. Is that correct approach??
Each pair of pads in a front caliper will have a sensor,
so there is a sensor on the left front brake and another
on the right front brake. The circuit goes to the left
front first, which is why that is the side you want to
short to ground.
If you have a voltmeter, attach the negative lead to
a good ground, then test the holes with the positive
lead. (Be sure the ignition is on, to provide juice
to the circuit.) One of the holes should show 12V.
If not, then you may have a break in the wiring
"upstream". As one lister said, look by the firewall.
If you don't have a voltmeter, a test light should
also work. Ground one lead, then insert the other
into each hole. The "live" terminal is the one that
lights the light.
Whichever terminal has 12V, that is the one you want
to connect to ground.
--
Kent McLean
'94 100 S Avant, "Moody"
'89 200 TQ, "Bad Puppy" up in smoke
'56 Austin-Healey 100 BN2, for sale
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